Spearhead High Speed Steel Ball Bur Master Kit of 33 Pieces Emlo Stage 2: F033-GPC Filter —

Stage 2: F033-GPC Filter — Otto Frei #147

Wriggled Block Lettering

Use a wire-drawing lubricant to protect both the wire and the drawplate during use

predictable draw-downs with consistent surface finish

Compatible with standard lost-wax burnout processes

Spearhead High Speed Steel Ball Bur Master Kit of 33 Pieces Emlo Stage 2: F033-GPC Filter —Important Notice: This set will ship incomplete. Due to ongoing supply constraints, Spearhead has been unable to fulfill all sizes in this kit as ordered. Otto Frei will contact you with the exact burs in stock, the sizes unavailable, and an updated reduced kit price at the time of your order. We are not back ordering missing sizes, as restocking timelines are unknown and inventory returns randomly. For reference, as of 7 29 2026, 23 of the 33 sizes